oj.uz

Submission #991971

# Submission time Handle Problem Language Result Execution time Memory
991971 2024-06-03T13:15:22 Z nihon Zamjena (COCI18_zamjena) C++17
70 / 70
 137 ms 5500 KB 
#include <bits/stdc++.h>
#define N 50005
using namespace std;
struct elem
{
    string s,t;
}v[N];
int n,i,j;
map<string,string> m;
bool vrf()
{
    string s,t;
    for(i=1;i<=n;++i)
    {
        s=v[i].s;
        t=v[i].t;
        if(s[0]<='9' && t[0]<='9' && s!=t) return 0;
        else if(s[0]<='9' && t[0]>'9')
        {
            if(m.count(t) && m[t]!=s) return 0;
            m[t]=s;
        }
        else if(s[0]>'9' && t[0]<='9')
        {
            if(m.count(s) && m[s]!=t) return 0;
            m[s]=t;
        }
    }
    for(i=1;i<=n;++i)
    {
        s=v[i].s;
        t=v[i].t;
        if(s[0]>'9' && t[0]>'9')
        {
            if(m.count(t) && m.count(s) && m[t]!=m[s]) return 0;
            else if(m.count(t) && !m.count(s)) m[s]=m[t];
            else if(!m.count(t) && m.count(s)) m[t]=m[s];
        }
    }
    for(i=1;i<=n;++i)
    {
        s=v[i].s;
        t=v[i].t;
        if(s[0]>'9' && t[0]>'9')
        {
            if(m.count(t) && m.count(s) && m[t]!=m[s]) return 0;
            else if(m.count(t) && !m.count(s)) m[s]=m[t];
            else if(!m.count(t) && m.count(s)) m[t]=m[s];
        }
    }
    for(i=n;i>=1;--i)
    {
        s=v[i].s;
        t=v[i].t;
        if(s[0]>'9' && t[0]>'9')
        {
            if(m.count(t) && m.count(s) && m[t]!=m[s]) return 0;
            else if(m.count(t) && !m.count(s)) m[s]=m[t];
            else if(!m.count(t) && m.count(s)) m[t]=m[s];
        }
    }
    for(i=1;i<=n;++i)
    {
        if(s[0]>'9' && t[0]>'9')
        {
            if(m[s]!=m[t]) return 0;
        }
        if(s[0]<='9' && t[0]>'9')
        {
            if(m[t]!=s) return 0;
        }
        if(s[0]>'9' && t[0]<='9')
        {
            if(m[s]!=t) return 0;
        }
    }
    return 1;
}
int main()
{
    cin>>n;
    for(i=1;i<=n;++i)
    {
        cin>>v[i].s;
    }
    for(i=1;i<=n;++i)
    {
        cin>>v[i].t;
    }
    if(vrf()) cout<<"DA";
    else cout<<"NE";
    return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3420 KB Output is correct
2 Correct 1 ms 3420 KB Output is correct
3 Correct 1 ms 3416 KB Output is correct
4 Correct 1 ms 3420 KB Output is correct
5 Correct 1 ms 3328 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3420 KB Output is correct
2 Correct 1 ms 3420 KB Output is correct
3 Correct 1 ms 3420 KB Output is correct
4 Correct 1 ms 3416 KB Output is correct
5 Correct 2 ms 3416 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3420 KB Output is correct
2 Correct 1 ms 3420 KB Output is correct
3 Correct 1 ms 3420 KB Output is correct
4 Correct 1 ms 3420 KB Output is correct
5 Correct 1 ms 3420 KB Output is correct
6 Correct 1 ms 3420 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3420 KB Output is correct
2 Correct 4 ms 3420 KB Output is correct
3 Correct 2 ms 3420 KB Output is correct
4 Correct 3 ms 3420 KB Output is correct
5 Correct 6 ms 3676 KB Output is correct
6 Correct 3 ms 3676 KB Output is correct

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 3420 KB Output is correct
2 Correct 48 ms 4788 KB Output is correct
3 Correct 32 ms 4180 KB Output is correct
4 Correct 39 ms 5352 KB Output is correct
5 Correct 85 ms 4436 KB Output is correct
6 Correct 137 ms 5500 KB Output is correct